#include<stdio.h>
int main()
{
    char ch;
    printf("请输入一个字符:");
    scanf("%c", &ch);
    switch(ch)
        {
            case 'a': printf("America\n");break;
            case 'b': printf("Britain\n");break;
            case 'c': printf("China\n");break;
            default: printf("Japan\n");
        }
    return 0;
}
